US2713636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced detectors
Assignee: Raytheon Co
•
Filing: 1951-02-27
•
Granted: 1955-07-19
•
Expires: 1971-02-27
Abstract
No abstract record available.
Inventors
- 👤 Frederic A Jenks
- 👤 Norman R Wild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:29
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/06; H03D9/0608; H03D9/0616; H03D7/00; H03D7/14; H03D7/1408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2469222A
Cited
US2413939A
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US2420892A
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US2550524A
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US2527910A
Cited
US2552052A
Cited
US2576481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-18 | 1959-01-17 | 1959-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-18 | 1963-01-17 | 1963-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-18 | 1967-01-17 | 1967-07-19 | $7700.00 | Window Closed / Lapsed |